Finding the Fourth Proportional to 145,994.44, 201,368.60 and 94,912.96
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Solution
The fourth proportional to 145,994.44, 201,368.60 and 94,912.96 is: 130,912.45
Step by Step Solution
- Step 1: Write the proportion equation
145,994.44 : 201,368.60 = 94,912.96 : x - Step 2: Convert to fraction form
145,994.44/201,368.60 = 94,912.96/x - Step 3: Cross multiply
145,994.44x = 201,368.60 × 94,912.96 - Step 4: Simplify right side
145,994.44x = 19,112,489,877.06 - Step 5: Solve for x
x = 19,112,489,877.06/145,994.44 - Step 6: Final answer
x = 130,912.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.